these 6 derivations will be built:
  /nix/store/qbq8mafp6706vvmmpvh2gwhfd379qypx-iets-0.1.0.drv
  /nix/store/41r26nsxh3fnr84lbal5nz7kzrdxbsbb-closure-info.drv
  /nix/store/rnjaw5j7hzaswdx97b7g1zf5j91kzcnz-test-script.drv
  /nix/store/x8m7rh1i9s6snli66j09jg235jh9k3kh-driverConfiguration.json.drv
  /nix/store/6hw7ggpq9811r037zjj3svxcnv8ja950-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/vlip1drq86pbvnpa508dp0skgplcrlmc-container-test-run-iets-grpc-e2e.drv